Biography

Cillian O'Sullivan is an Irish actor born in New York City to Tom and Deirdre O'Sullivan and raised in County Cork, Ireland. He began performing on stage at the age of seven in theater productions around Manhattan.

After having had success in several projects in Ireland and Europe, Cillian returned to America in 2018. He now splits his time between New York and Los Angeles, and continues to work on projects that have showcased his natural talent. With an unusual ability to truly embody a character, Cillian is quickly becoming one of the most sought after performers in the industry. Also an avid animal lover, he co parents his dog "Cú" who lives with his mother in Cork.
- IMDb mini biography by: Seanie S